Wichita ? The Boeing Co. has announced it won a $750 million, 10-year contract from the U.S. Air Force for engineering support on the B-52 bomber.

The company said Tuesday the contract sustains about 150 jobs at Boeing plants in Wichita and Oklahoma City and at Barksdale Air Force Base in Shreveport, La.

Boeing engineers will support software, communication, avionics and other work. The contract provides for in-flight emergency support that allows pilots to contact Boeing engineers from the cockpit.